Using the specialized sewing machine to ensure the panels are sewn together and heavy wear areas are reinforced with protective patches.
General there are two types industrial sewing machines for sail makers and repairs: a basic heavy duty straight lockstitch sewing machine like (Cowboy #740 Top and bottom feed lockstitch sewing machine with large hook (www.cowboysew.com/product2.htm), for detailed work and finishing, for example binding tape, sewing zippers & piping cords, attaching metal ring and straight stitching for day sailing, cotton sails, spray hoods, boat covers, interior & exterior boat upholstery etc. Most sail loft s have heavy duty zigzag industrial sewing machine like Durkopp Adler 166 or Adler 266-1, for sewing heavy corners, patches, attaching thick webbing, heavy duty canvas & sail work. The production of these machines stopped decade ago, you cannot find the new machine in today market, Sailmaster 9266 extra heavy duty zigzag sewing machine (www.cowboysew.com/product4.htm) is the good replacement for sailmakers and repairs.
|Adler 266-1 Type extra heavy duty zigzag|
In modern sail making industry, triple zigzag (3-step zigzag) is necessary, so you need to have a cam-controlled zigzag industrial sewing machines, which has different cams for straight stitch, 1-step (2-point), 2-step (3-point) and 3-step zigzag (4-point), even 6-step zigzag. Durkopp Adler 72525 is the good sail maker sewing machine for sewing of light to medium weight materials, great for manufacturing and repairing surf sails, spinnakers, wetsuits, tents, awnings etc. But the price of this machine is too high to be affordable by most sailmakers. So many sail makers purchases the replacing machine Sailmaster 9518-30 long arm medium weight zigzag sewing machine (www.cowboysew.com/product5.htm).
|Adler 525 type zigzag sewing machine for surf sails and spinnaker|
Anyway it is very important to get a right sewing machine for your sail manufacturing.